/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *    https://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 */
package org.grails.plugins.web.mime

import groovy.transform.CompileStatic

/**
 * Interceptors a closure call and gathers method calls that take a closure into a map format->closure
 *
 * @author Graeme Rocher
 * @since 1.2
 */
@CompileStatic
class FormatInterceptor {

    LinkedHashMap<String, Object> formatOptions = new LinkedHashMap<String, Object>()
    Object invokeMethod(String name, args) {
        Object[] argsArray = args instanceof Object[] ? ((Object[]) args) : [args] as Object[]
        if (argsArray.size() > 0 && (argsArray[0] instanceof Closure || argsArray[0] instanceof Map)) {
            formatOptions[name] = argsArray[0]
        }
        else {
            formatOptions[name] = null
        }
    }
}
